Improve type validation error messages, especially for pins

[dhalbert]

Fixes #7238, but does a lot more also.

• Per @jepler's suggestion, expands %q must be of type %q to %q must be of type %q, not %q.
• Adds a new validator for objects in a collection: object in %q must be of type %q, not %q. Used a lot for pin lists.
• Adds arg_name to a lot of pin validation routines.
• Adds arg_name to SPI bus validation routine.
• Adds arg_name to cp_enum_value to use when validation fails.
• Replaces some Expected ... messages with standard type validation messages.
• Consolidated some %q must be %q or None and %q must be %q or %q to all be %q must be %q or %q, not %q.
• Standardized a few other error messages to reduce the number of messages.
• Removed redundant type validations in esp32_camera/__init__.c.
• Removed redundant type validations in aesio/aes.c and did some minor cleanup.
• Minor cleanup in espulp/ULP.c.
• Minor rework of sequential pin checking in rp2pio.

Examples:

>>> busio.I2C(1.0, 2.0)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: scl must be of type Pin, not float

>>> keypad.Keys([34,52], value_when_pressed=True)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: object in row_pins must be of type Pin, not int

This is all probably a net size increase, but hopefully not too much.

[tannewt]

Awesome! Thanks for improving error messages!