[CI] Minor fixes (#1045)

* [CI] Add Teensy back in

* [CI] Add Arduino 101 back to build matrix

* [CI] Try different path to libs

* [CI] Skip LoRaWAN on Teensy

.github/workflows/main.yml

@@ -104,6 +104,10 @@ jobs:
             run: echo "index-url=--additional-urls https://resource.heltec.cn/download/package_CubeCell_index.json" >> $GITHUB_OUTPUT
           - id: MegaCore:avr:1281
             run: echo "index-url=--additional-urls https://mcudude.github.io/MegaCore/package_MCUdude_MegaCore_index.json" >> $GITHUB_OUTPUT
+          - id: teensy:avr:teensy41
+            run: |
+              echo "skip-pattern=(STM32WL|LoRaWAN)" >> $GITHUB_OUTPUT
+              echo "index-url=--additional-urls https://www.pjrc.com/teensy/package_teensy_index.json" >> $GITHUB_OUTPUT
           - id: arduino:renesas_uno:minima
             run: |
               echo "skip-pattern=(STM32WL|LoRaWAN)" >> $GITHUB_OUTPUT