MAINT: Update rtools installation

The choco option `--side-by-side` has been deprecated, use
`--allow-downgrade` instead.

Author: charris

.github/workflows/wheels.yml

@@ -110,7 +110,7 @@ jobs:
 
       # We need rtools 4.0 to have 32 bit support on windows
       - if: runner.os == 'windows'
-        uses: r-windows/install-rtools@13886bb4048f1b862d33869a18b73cdd446a3961 # main
+        uses: r-windows/install-rtools@ca1090c210479e995c03019a22b9798cdf57073a # main
 
       - name: setup rtools for 32-bit
         run: |

azure-steps-windows.yml

@@ -33,7 +33,7 @@ steps:
 
 - powershell: |
     # rtools 42+ does not support 32 bits builds.
-    choco install --confirm --no-progress --side-by-side rtools --version=4.0.0.20220206
+    choco install --confirm --no-progress --allow-downgrade rtools --version=4.0.0.20220206
     echo "##vso[task.setvariable variable=RTOOLS40_HOME]c:\rtools40"
   displayName: 'Install rtools'