Fix git tag specification in pio lib dependencies

platformio.ini

@@ -13,7 +13,7 @@ lib_deps =
 	arduino-libraries/LiquidCrystal @ ^1.0.7
 	lincomatic/LiquidTWI2@^1.2.7
 	olikraus/U8g2@^2.28.8
-	https://github.com/ClutchplateDude/esp8266-oled-ssd1306@4.6.0
+	https://github.com/ClutchplateDude/esp8266-oled-ssd1306#4.6.0
 
 [env]
 extra_scripts =
@@ -95,7 +95,7 @@ debug_build_flags =
 lib_deps = 
 	${common.lib_deps}
 	jdolinay/avr-debugger @ 1.2
-	https://github.com/andre-stefanov/avr-interrupt-stepper@0.0.4
+	https://github.com/andre-stefanov/avr-interrupt-stepper#0.0.4
 
 [env:mksgenlv21]
 extends = env:ramps