[release/3.1] (deps): Bump src/submodules/googletest from `4e4df22` to `548b13d`#48

dependabot[bot] wants to merge 1 commit intorelease/3.1adrianwright109/aspnetcore:release/3.1from

dependabot/submodules/release/3.1/src/submodules/googletest-548b13dadrianwright109/aspnetcore:dependabot/submodules/release/3.1/src/submodules/googletest-548b13dCopy head branch name to clipboard