Documentation Corrections

[joaolago1113]

This PR addresses minor typos and grammatical errors in various documentation files. These changes aim to enhance readability and ensure accuracy in the documentation.

Changes

• ADR 026: Fixed typo ('identitical' to 'identical').
• Channel Upgradability Requirements: Corrected grammatical errors ('has been flushed' to 'have been flushed', 'permissionlesly' to 'permissionlessly').
• ADR 025: Fixed typo ('chanenlID' to 'channelID').
• ADR 002: Grammatical corrections ('released during with the' to 'released during the', 'lets' to 'let's').
• ADR 001: Typo fix ('addressed' to 'addresses').
• Release Management: Corrected label name ('backport-to-v1.0x' to 'backport-to-v1.0.x').
• Project Structure: Verb agreement fix ('implement' to 'implements').
• ADR 027 (Cosmos SDK section): Typo correction ('current' to 'currently').
• ADR 026 Description: Typo fix ('mechansisms' to 'mechanisms').
• E2E Tests Section: Corrected tag descriptions for CHAIN_A_TAG and CHAIN_B_TAG.

[crodriguezvega]

Good catches. Thanks, @joaolago1113.

[chatton]

LGTM