Go: Update module google.golang.org/protobuf to v1.36.12

This MR contains the following updates:

Package	Type	Update	Change
google.golang.org/protobuf	require	patch	v1.36.12-0.20260120151049-f2248ac996af -> v1.36.12

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Release Notes

protocolbuffers/protobuf-go (google.golang.org/protobuf)

v1.36.12

Compare Source

Full Changelog: https://github.com/protocolbuffers/protobuf-go/compare/v1.36.11...v1.36.12

User-visible changes: CL/812620: defval: support hex and octal default values for numeric fields CL/737480: reflect/protodesc: add missing IsProto3Optional initialization CL/735401: internal/descfmt: replace uses of MethodByName with direct calls when possible CL/735120: encoding/protojson: fix google.protobuf.Empty serialization CL/734761: encoding/prototext: implement recursion limit CL/734760: encoding/protodelim: error out when size exceeds math.MaxInt CL/734280: internal/descfmt: fix dce with Go 1.26 by not calling MethodByName for Methods CL/733841: encoding/protojson: reject non-numeric ints/floats CL/729461: compiler/protogen: introduce and expose feature resoluton to protogen

Maintenance: CL/810580: types: update to the protobuf version (35.1) CL/735620: types: regenerate using latest protobuf v33.3 release CL/737460: compiler/protogen: document --go_opt in addition to --go_out

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