Update index page of documentation to link to issue templates for Bugs and FRs (#10160) (#17550)

* Update index page of documentation to link to issue templates for Bugs and FRs

* Remove unused param from URL

* Remove other unused parameter from URL

[upstream:b24ef479852be21f400329a60156c6e1b6b727f2]

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/10160.txt

@@ -0,0 +1,3 @@
+```release-note:none
+
+```

website/docs/index.html.markdown

@@ -91,9 +91,9 @@ experience for you using the Google provider.
 
 If you have a bug or feature request without an existing issue
 
-* and an existing resource or field is working in an unexpected way, [file a bug](https://github.com/hashicorp/terraform-provider-google/issues/new?template=bug.md).
+* and an existing resource or field is working in an unexpected way, [file a bug](https://github.com/hashicorp/terraform-provider-google/issues/new?labels=bug&template=00_bug.yml).
 
-* and you'd like the provider to support a new resource or field, [file an enhancement/feature request](https://github.com/hashicorp/terraform-provider-google/issues/new?template=enhancement.md).
+* and you'd like the provider to support a new resource or field, [file an enhancement/feature request](https://github.com/hashicorp/terraform-provider-google/issues/new?labels=enhancement&template=01_enhancement.yml).
 
 The provider maintainers will often use the assignee field on an issue to mark
 who is working on it.