Update tca9555.rst fix link

[rlowens]

Fixed the link to the datasheet

Description:

Related issue (if applicable): fixes

Pull request in esphome with YAML changes (if applicable): esphome/esphome#

Checklist:

• I am merging into next because this is new documentation that has a matching pull-request in esphome as linked above.
  or

• I am merging into current because this is a fix, change and/or adjustment in the current documentation and is not for a new component or feature.

• Link added in /index.rst when creating new documents for new components or cookbook.

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[coderabbitai]

Walkthrough

The pull request updates the documentation for the TCA9555 I/O Expander, specifically in the components/tca9555.rst file. The primary change involves modifying the formatting of the datasheet link from parentheses to double underscores to enhance emphasis. The overall content structure, which includes details on functionality, configuration variables, and usage examples within ESPHome, remains unchanged.

Changes

File	Change Summary
components/tca9555.rst	Updated datasheet link formatting from parentheses to double underscores.

Possibly related PRs

• Component TOF10120: Fix broken link to datasheet #4051: Updates the datasheet link for the TOF10120 sensor, similar to the main PR's focus on enhancing the formatting of the datasheet link for the TCA9555 I/O Expander.
• Update Datasheet URL #4066: Addresses a dead URL in the documentation by updating the datasheet link for the SCD4X sensor, paralleling the main PR's changes to the TCA9555 datasheet link.
• Update datasheet ref #4067: Updates the ENS160 sensor datasheet link, which is related to the main PR's documentation update for the TCA9555 I/O Expander.
• even parity is required for CSE7766 #4308: Updates the UART configuration documentation for the CSE7766 sensor, involving documentation changes similar to the main PR's focus on formatting and clarity.
• Remove outdated limitation #4326: Removes outdated limitations in the MAX31856 documentation, also a documentation-focused change like the main PR's update to the TCA9555 documentation.

Suggested reviewers

• jesserockz

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📜 Recent review details

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📥 Commits

Files that changed from the base of the PR and between 3ed6ae9 and 9af6fd9.

📒 Files selected for processing (1)

• components/tca9555.rst (1 hunks)

✅ Files skipped from review due to trivial changes (1)

• components/tca9555.rst

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