chore: Update discovery artifacts (#1306)

## Deleted keys were detected in the following pre-stable discovery artifacts:
bigqueryreservationv1beta1[ [More details]](6a8b3c6)

## Discovery Artifact Change Summary:
adexchangebuyer2v2beta1[ [More details]](9497544)
artifactregistryv1beta2[ [More details]](3811667)
bigquerydatatransferv1[ [More details]](f0071f5)
bigqueryreservationv1[ [More details]](6a8b3c6)
bigqueryreservationv1beta1[ [More details]](6a8b3c6)
bigtableadminv2[ [More details]](d1ce240)
containerv1beta1[ [More details]](60a23f0)
displayvideov1[ [More details]](559fa7c)
loggingv2[ [More details]](a3c1055)
serviceusagev1[ [More details]](e2a86e9)
serviceusagev1beta1[ [More details]](e2a86e9)

docs/dyn/adexchangebuyer2_v2beta1.accounts.finalizedProposals.html

@@ -205,7 +205,10 @@ <h3>Method Details</h3>
               ],
               &quot;guaranteedImpressions&quot;: &quot;A String&quot;, # Guaranteed impressions as a percentage. This is the percentage of guaranteed looks that the buyer is guaranteeing to buy.
               &quot;guaranteedLooks&quot;: &quot;A String&quot;, # Count of guaranteed looks. Required for deal, optional for product.
+              &quot;impressionCap&quot;: &quot;A String&quot;, # The lifetime impression cap for CPM sponsorship deals. The deal will stop serving when the cap is reached.
               &quot;minimumDailyLooks&quot;: &quot;A String&quot;, # Daily minimum looks for CPD deal types.
+              &quot;percentShareOfVoice&quot;: &quot;A String&quot;, # For sponsorship deals, this is the percentage of the seller&#x27;s eligible impressions that the deal will serve until the cap is reached.
+              &quot;reservationType&quot;: &quot;A String&quot;, # The reservation type for a Programmatic Guaranteed deal. This indicates whether the number of impressions is fixed, or a percent of available impressions. If not specified, the default reservation type is STANDARD.
             },
             &quot;nonGuaranteedAuctionTerms&quot;: { # Terms for Private Auctions. Note that Private Auctions can be created only by the seller, but they can be returned in a get or list request. # The terms for non-guaranteed auction deals.
               &quot;autoOptimizePrivateAuction&quot;: True or False, # True if open auction buyers are allowed to compete with invited buyers in this private auction.

docs/dyn/adexchangebuyer2_v2beta1.accounts.products.html

@@ -253,7 +253,10 @@ <h3>Method Details</h3>
       ],
       &quot;guaranteedImpressions&quot;: &quot;A String&quot;, # Guaranteed impressions as a percentage. This is the percentage of guaranteed looks that the buyer is guaranteeing to buy.
       &quot;guaranteedLooks&quot;: &quot;A String&quot;, # Count of guaranteed looks. Required for deal, optional for product.
+      &quot;impressionCap&quot;: &quot;A String&quot;, # The lifetime impression cap for CPM sponsorship deals. The deal will stop serving when the cap is reached.
       &quot;minimumDailyLooks&quot;: &quot;A String&quot;, # Daily minimum looks for CPD deal types.
+      &quot;percentShareOfVoice&quot;: &quot;A String&quot;, # For sponsorship deals, this is the percentage of the seller&#x27;s eligible impressions that the deal will serve until the cap is reached.
+      &quot;reservationType&quot;: &quot;A String&quot;, # The reservation type for a Programmatic Guaranteed deal. This indicates whether the number of impressions is fixed, or a percent of available impressions. If not specified, the default reservation type is STANDARD.
     },
     &quot;nonGuaranteedAuctionTerms&quot;: { # Terms for Private Auctions. Note that Private Auctions can be created only by the seller, but they can be returned in a get or list request. # The terms for non-guaranteed auction deals.
       &quot;autoOptimizePrivateAuction&quot;: True or False, # True if open auction buyers are allowed to compete with invited buyers in this private auction.
@@ -469,7 +472,10 @@ <h3>Method Details</h3>
           ],
           &quot;guaranteedImpressions&quot;: &quot;A String&quot;, # Guaranteed impressions as a percentage. This is the percentage of guaranteed looks that the buyer is guaranteeing to buy.
           &quot;guaranteedLooks&quot;: &quot;A String&quot;, # Count of guaranteed looks. Required for deal, optional for product.
+          &quot;impressionCap&quot;: &quot;A String&quot;, # The lifetime impression cap for CPM sponsorship deals. The deal will stop serving when the cap is reached.
           &quot;minimumDailyLooks&quot;: &quot;A String&quot;, # Daily minimum looks for CPD deal types.
+          &quot;percentShareOfVoice&quot;: &quot;A String&quot;, # For sponsorship deals, this is the percentage of the seller&#x27;s eligible impressions that the deal will serve until the cap is reached.
+          &quot;reservationType&quot;: &quot;A String&quot;, # The reservation type for a Programmatic Guaranteed deal. This indicates whether the number of impressions is fixed, or a percent of available impressions. If not specified, the default reservation type is STANDARD.
         },
         &quot;nonGuaranteedAuctionTerms&quot;: { # Terms for Private Auctions. Note that Private Auctions can be created only by the seller, but they can be returned in a get or list request. # The terms for non-guaranteed auction deals.
           &quot;autoOptimizePrivateAuction&quot;: True or False, # True if open auction buyers are allowed to compete with invited buyers in this private auction.