chore(deps): update all dependencies (#993)

Co-authored-by: Anthonios Partheniou <partheniou@google.com>

samples/geography/requirements.txt

@@ -1,5 +1,5 @@
 attrs==21.2.0
-cachetools==4.2.2
+cachetools==4.2.4
 certifi==2021.5.30
 cffi==1.14.6
 charset-normalizer==2.0.6
@@ -29,7 +29,7 @@ numpy==1.21.2; python_version > "3.6"
 packaging==21.0
 pandas==1.1.5; python_version < '3.7'
 pandas==1.3.2; python_version >= '3.7'
-proto-plus==1.19.0
+proto-plus==1.19.2
 protobuf==3.18.0
 pyarrow==5.0.0
 pyasn1==0.4.8
@@ -48,4 +48,4 @@ six==1.16.0
 typing-extensions==3.10.0.2
 typing-inspect==0.7.1
 urllib3==1.26.7
-zipp==3.5.1
+zipp==3.6.0