[llvm] Update wording for GitHub CI/CD admin requests to direct to the LLVM Infrastructure Area Team (PR #150462)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-aarch64-windows` running on `linaro-armv8-windows-msvc-05` while building `llvm` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/141/builds/12025

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test) failure: build (failure)
...
PASS: lldb-unit :: ValueObject/./LLDBValueObjectTests.exe/3/12 (2301 of 2310)
PASS: lldb-unit :: ValueObject/./LLDBValueObjectTests.exe/4/12 (2302 of 2310)
PASS: lldb-unit :: ValueObject/./LLDBValueObjectTests.exe/5/12 (2303 of 2310)
PASS: lldb-unit :: ValueObject/./LLDBValueObjectTests.exe/6/12 (2304 of 2310)
PASS: lldb-unit :: ValueObject/./LLDBValueObjectTests.exe/7/12 (2305 of 2310)
PASS: lldb-unit :: ValueObject/./LLDBValueObjectTests.exe/8/12 (2306 of 2310)
PASS: lldb-unit :: ValueObject/./LLDBValueObjectTests.exe/9/12 (2307 of 2310)
PASS: lldb-unit :: tools/lldb-server/tests/./LLDBServerTests.exe/0/2 (2308 of 2310)
PASS: lldb-unit :: tools/lldb-server/tests/./LLDBServerTests.exe/1/2 (2309 of 2310)
TIMEOUT: lldb-unit :: Host/./HostTests.exe/1/10 (2310 of 2310)
******************** TEST 'lldb-unit :: Host/./HostTests.exe/1/10' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\unittests\Host\.\HostTests.exe-lldb-unit-10612-1-10.json GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=10 GTEST_SHARD_INDEX=1 C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\unittests\Host\.\HostTests.exe
--

Note: This is test shard 2 of 10.

[==========] Running 8 tests from 7 test suites.

[----------] Global test environment set-up.

[----------] 1 test from ConnectionFileDescriptorTest

[ RUN      ] ConnectionFileDescriptorTest.TCPGetURIv6

[       OK ] ConnectionFileDescriptorTest.TCPGetURIv6 (2 ms)

[----------] 1 test from ConnectionFileDescriptorTest (2 ms total)



[----------] 1 test from FileSystemTest

[ RUN      ] FileSystemTest.MakeAbsolute

[       OK ] FileSystemTest.MakeAbsolute (0 ms)

[----------] 1 test from FileSystemTest (0 ms total)



[----------] 1 test from HostInfoTestInitialization

[ RUN      ] HostInfoTestInitialization.InitTwice

[       OK ] HostInfoTestInitialization.InitTwice (1 ms)

[----------] 1 test from HostInfoTestInitialization (1 ms total)

```

</details>

https://github.com/llvm/llvm-project/pull/150462