Fix spelling mistake in splitting_and_combining_changes.md

Dependencies

• [2] QNQW6SIV Create page "Splitting and combining changes"
• [3] 6WD4XRG5 Add page about editors and nano
• [4] YIMZOVNC Incorporate suggestions by joyously

Change contents

• replacement in src/workflows/splitting_and_combining_changes.md at line 68
  [2.1984]→[2.1984:2061](∅→∅)
  − heading **can** be changed. Changes between `# Dependenices` and `# Changes`
  [2.1984]

  [2.2061]
  + heading **can** be changed. Changes between `# Dependencies` and `# Changes`