fix(gpio): add missing include for digitalPinCanOutput()

[P-R-O-C-H-Y]

Description of Change

Fixing digitalPinCanOutput() by adding the missing include.

Tests scenarios

Locally

Related links

Closes #10049

[github-actions]

	Messages
📖	🎉 Good Job! All checks are passing!

👋 Hello P-R-O-C-H-Y, we appreciate your contribution to this project!

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Generated by 🚫 dangerJS against 49afcf4

[github-actions]

Test Results

 56 files   -  65   56 suites   - 65   4m 47s ⏱️ - 1h 31m 41s
 21 tests  -   9   21 ✅  -   9  0 💤 ±0  0 ❌ ±0 
135 runs   - 122  135 ✅  - 122  0 💤 ±0  0 ❌ ±0 

Results for commit 49afcf4. ± Comparison against base commit 0fa4aa6.

This pull request removes 9 tests.

performance.coremark.test_coremark ‑ test_coremark
performance.fibonacci.test_fibonacci ‑ test_fibonacci
performance.psramspeed.test_psramspeed ‑ test_psramspeed
performance.ramspeed.test_ramspeed ‑ test_ramspeed
performance.superpi.test_superpi ‑ test_superpi
test_touch_errors
test_touch_interrtupt
test_touch_read
validation.periman.test_periman ‑ test_periman

♻️ This comment has been updated with latest results.