Remove `shutdown = TRUE` argument for DuckDB #1656

Job	Run time
⚙️ Context	1s
⚙️ Dispatch / ⚙️ Determine downstream workflow triggers	4s
⚙️ Dispatch / 🐞 Inspect trigger output	1s
⚙️ Dispatch / update-lockfile / 🛠️ Store dependency versions	1m 8s
⚙️ Dispatch / render-readme	0s
⚙️ Dispatch / document / 📖 Document	1m 15s
⚙️ Dispatch / lint / 🖋️ Lint	1m 52s
⚙️ Dispatch / spell-checker / 🔠 Spelling	56s
⚙️ Dispatch / pkgdown / 🧼 pkgdown: Clean up	0s
⚙️ Dispatch / pkgdown / 🔍 pkgdown: Determine if pre-release	2s
⚙️ Dispatch / code-coverage / 🧪 Tests: DuckDB	1m 54s
⚙️ Dispatch / code-coverage / 🧪 Tests: PostgreSQL	2m 11s
⚙️ Dispatch / code-coverage / 🧪 Tests: SQLite	1m 56s
⚙️ Dispatch / code-coverage / 🧪 Tests: SQLite - w. schemas	1m 49s
⚙️ Dispatch / code-coverage / 🧪 Tests: SQL Server 2019	2m 21s
⚙️ Dispatch / R-CMD-check / 🔎 Check: macos (release)	1m 50s
⚙️ Dispatch / R-CMD-check / 🔎 Check: windows (release)	3m 50s
⚙️ Dispatch / R-CMD-check / 🔎 Check: ubuntu (release)	1m 55s
⚙️ Dispatch / R-CMD-check / 🔎 Check: ubuntu (release, no dependencies)	2m 48s
⚙️ Dispatch / R-CMD-check / 🔎 Check: ubuntu (oldrel-1)	2m 0s
⚙️ Dispatch / R-CMD-check / 🔎 Check: ubuntu (r-devel)	2m 38s
⚙️ Dispatch / pkgdown / 📖 pkgdown: Build	1m 44s
⚙️ Dispatch / pkgdown / 🚀 pkgdown: Deploy	0s
⚙️ Dispatch / code-coverage / 🧪 Tests: Upload to codecov.io	1m 15s
	33m 30s

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