Unpin TestRail CLI (#4565)

gurock/trcli#266 has been resolved. Unpinning
TestRail CLI.

### QA Notes

All smoke tests pass.

Author: testlabauto

.github/workflows/positron-full-test.yml

@@ -115,7 +115,7 @@ jobs:
           curl https://raw.githubusercontent.com/posit-dev/qa-example-content/main/requirements.txt --output requirements.txt
           python -m pip install --upgrade pip
           python -m pip install -r requirements.txt
-          python -m pip install ipykernel trcli==1.9.5
+          python -m pip install ipykernel trcli
 
       - name: Run Smoke Tests (Electron)
         env:

.github/workflows/positron-merge-to-main.yml

@@ -90,7 +90,7 @@ jobs:
           curl https://raw.githubusercontent.com/posit-dev/qa-example-content/main/requirements.txt --output requirements.txt
           python -m pip install --upgrade pip
           python -m pip install -r requirements.txt
-          python -m pip install ipykernel trcli==1.9.5
+          python -m pip install ipykernel trcli
 
       - name: Run Unit Tests (node.js)
         id: nodejs-unit-tests